Home / 5,514,760.30-8,278,879.65-3,120,270.70

Finding the Fourth Proportional to 5,514,760.30, 8,278,879.65 and 3,120,270.70

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Solution

The fourth proportional to 5,514,760.30, 8,278,879.65 and 3,120,270.70 is: 4,684,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,760.30 : 8,278,879.65 = 3,120,270.70 : x
  2. Step 2: Convert to fraction form
    5,514,760.30/8,278,879.65 = 3,120,270.70/x
  3. Step 3: Cross multiply
    5,514,760.30x = 8,278,879.65 × 3,120,270.70
  4. Step 4: Simplify right side
    5,514,760.30x = 25,832,345,600,721.26
  5. Step 5: Solve for x
    x = 25,832,345,600,721.26/5,514,760.30
  6. Step 6: Final answer
    x = 4,684,219.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.